Talk:Beam expander

Diagram needed
This page could do with a diagram similar to the one on this page of Edmund Optics' web site to illustrate different types of beam expanders. 129.215.139.65 (talk) 11:21, 20 February 2012 (UTC)
 * Tagged. fgnievinski (talk) 02:07, 4 August 2023 (UTC)